kNumJSCallerSaved   55 src/arm/frames-arm.h typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved];
kNumJSCallerSaved   50 src/ia32/frames-ia32.h typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved];
kNumJSCallerSaved  113 src/mips/frames-mips.h typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved];
kNumJSCallerSaved   44 src/x64/frames-x64.h typedef Object* JSCallerSavedBuffer[kNumJSCallerSaved];